from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The close or last part; the end or finish.
  • n. The result or outcome of an act or process.
  • n. A judgment or decision reached after deliberation. See Synonyms at decision.
  • n. A final arrangement or settlement, as of a treaty.
  • n. Law The close of a plea or deed.
  • n. Logic The proposition that must follow from the major and minor premises in a syllogism.
  • n. Logic The proposition concluded from one or more premises; a deduction.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The end, finish, close or last part of something.
  • n. The outcome or result of a process or act.
  • n. A decision reached after careful thought.
  • n. In an argument or syllogism, the proposition that follows as a necessary consequence of the premises.

from the GNU version of the Collaborative International Dictionary of English

  • n. The last part of anything; close; termination; end.
  • n. Final decision; determination; result.
  • n. Any inference or result of reasoning.
  • n. The inferred proposition of a syllogism; the necessary consequence of the conditions asserted in two related propositions called premises. See Syllogism.
  • n. Drawing of inferences.
  • n. An experiment, or something from which a conclusion may be drawn.
  • n.
  • n. The end or close of a pleading, e.g., the formal ending of an indictment, “against the peace,” etc.
  • n. An estoppel or bar by which a person is held to a particular position.

from The Century Dictionary and Cyclopedia

  • n. The end, close, or termination; the final part: as, the conclusion of a journey.
  • n. Final result; outcome; upshot.
  • n. Determination; final decision.
  • n. A proposition concluded or inferred from premises; the proposition toward which an argumentation tends, or which is established by it; also, rarely, the act of inference.
  • n. In grammar, that clause of a conditional sentence which states the consequence of the proposition assumed in the condition or protasis; the apodosis.
  • n. In rhetoric, the last main division of a discourse; that part in which, the discussion being finished, its bearings are deduced or its points are summed up; a peroration, application, or recapitulation.
  • n. An experiment; a tentative effort for determining anything. [Obsolete except in the phrase to try conclusions.]
  • n. In law: The effect of an act by which he who did it is bound not to do anything inconsistent therewith; an estoppel.
  • n. The end of a pleading or conveyance.
  • n. A finding or determination.
  • n. Something which is certain to be done or to happen: as, it is a foregone conclusion that he will be elected.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the last section of a communication
  • n. a final settlement
  • n. the act of making up your mind about something
  • n. event whose occurrence ends something
  • n. the temporal end; the concluding time
  • n. a position or opinion or judgment reached after consideration
  • n. an intuitive assumption
  • n. the act of ending something
  • n. the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)


Middle English conclusioun, from Old French conclusion, from Latin conclūsiō, conclūsiōn-, from conclūsus, past participle of conclūdere, to end; see conclude.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old (and modern) French conclusion, or Latin conclusio, from the past participle stem of concludere ‘conclude’. (Wiktionary)


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  • JM knows some folk who reach a conclusion because that’s the place where they got tired of thinking.

    July 17, 2011